DE3221545C2 - - Google Patents

Info

Publication number
DE3221545C2
DE3221545C2 DE3221545A DE3221545A DE3221545C2 DE 3221545 C2 DE3221545 C2 DE 3221545C2 DE 3221545 A DE3221545 A DE 3221545A DE 3221545 A DE3221545 A DE 3221545A DE 3221545 C2 DE3221545 C2 DE 3221545C2
Authority
DE
Germany
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3221545A
Other versions
DE3221545A1 (de
Inventor
Hiroshi Makino
Yoshihiro Kusuki
Takashi Harada
Hiroshi Ichihara Chiba Jp Shimazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Publication of DE3221545A1 publication Critical patent/DE3221545A1/de
Application granted granted Critical
Publication of DE3221545C2 publication Critical patent/DE3221545C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/74—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
DE19823221545 1981-06-11 1982-06-08 Verfahren zur herstellung von aromatischen polyimid-hohlfilamenten Granted DE3221545A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56088867A JPS57205517A (en) 1981-06-11 1981-06-11 Preparation of polyimide hollow fiber

Publications (2)

Publication Number Publication Date
DE3221545A1 DE3221545A1 (de) 1983-01-20
DE3221545C2 true DE3221545C2 (de) 1987-03-12

Family

ID=13954953

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823221545 Granted DE3221545A1 (de) 1981-06-11 1982-06-08 Verfahren zur herstellung von aromatischen polyimid-hohlfilamenten

Country Status (3)

Country Link
JP (1) JPS57205517A (de)
DE (1) DE3221545A1 (de)
GB (1) GB2102333B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT377016B (de) * 1983-03-09 1985-01-25 Chemiefaser Lenzing Ag Verfahren zur herstellung von schwer entflammbaren, hochtemperaturbestaendigen polyimidfasern
US4532041A (en) * 1983-05-13 1985-07-30 Exxon Research And Engineering Co. Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations
JPH073004B2 (ja) * 1986-03-27 1995-01-18 三菱化成株式会社 コポリイミド中空糸及びその製造方法
US4705540A (en) * 1986-04-17 1987-11-10 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US4717393A (en) * 1986-10-27 1988-01-05 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US4717394A (en) * 1986-10-27 1988-01-05 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
US4838900A (en) * 1988-04-13 1989-06-13 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
JPH0342026A (ja) * 1989-07-06 1991-02-22 Mitsubishi Kasei Corp ポリイミド分離膜の製造方法
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
CN114261149A (zh) * 2021-12-29 2022-04-01 江苏先诺新材料科技有限公司 一种聚酰亚胺防电弧服面料及防电弧服

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985934A (en) * 1974-07-26 1976-10-12 The Upjohn Company Polyimide fiber having a serrated surface and a process of producing same
US4056598A (en) * 1974-12-11 1977-11-01 United Technologies Corporation Process for forming filaments from polyamic acid
DE2829811A1 (de) * 1978-07-06 1980-01-24 Inst Vysokomolekuljarnych Soed Verfahren zur herstellung von polyimidfaeden
FR2433062A1 (fr) * 1978-08-07 1980-03-07 Inst Vysokomolekulyarnykh So Procede de fabrication de fils de polyimide

Also Published As

Publication number Publication date
GB2102333A (en) 1983-02-02
JPS57205517A (en) 1982-12-16
DE3221545A1 (de) 1983-01-20
GB2102333B (en) 1984-09-19
JPS6135282B2 (de) 1986-08-12

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee